Installation and Upgrade > Upgrade Guide > Run Post-Upgrade WinDU Tasks
  
Run Post-Upgrade WinDU Tasks
After successful completion of the upgrade, run the mandatory Verification WinDU tasks by performing the following steps:
1. Start the method server and Apache.
2. Run the WinDU utility and run all WinDU tasks in the Verification Suite category.
3. Repair any issues reported as necessary.
(Optional) Run the System Health Check WinDU Tasks
Run the system health check WinDU tasks by doing the following:
1. Run WinDU.
2. Select the System Health Check category and execute all of the WinDU tasks in that category.
3. Resolve any issues reported by the WinDU tasks.
For more information on each WinDU task, refer to the Windchill Diagnostic Utility Guide. You can download the guide from here.